diff options
Diffstat (limited to 'arch/mips/sibyte/bcm1480/setup.c')
| -rw-r--r-- | arch/mips/sibyte/bcm1480/setup.c | 94 |
1 files changed, 49 insertions, 45 deletions
diff --git a/arch/mips/sibyte/bcm1480/setup.c b/arch/mips/sibyte/bcm1480/setup.c index d90a0b87874..8e2e04f7787 100644 --- a/arch/mips/sibyte/bcm1480/setup.c +++ b/arch/mips/sibyte/bcm1480/setup.c @@ -15,12 +15,14 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include <linux/config.h> +#include <linux/init.h> #include <linux/kernel.h> +#include <linux/module.h> #include <linux/reboot.h> #include <linux/string.h> #include <asm/bootinfo.h> +#include <asm/cpu.h> #include <asm/mipsregs.h> #include <asm/io.h> #include <asm/sibyte/sb1250.h> @@ -32,24 +34,59 @@ unsigned int sb1_pass; unsigned int soc_pass; unsigned int soc_type; +EXPORT_SYMBOL(soc_type); unsigned int periph_rev; unsigned int zbbus_mhz; +EXPORT_SYMBOL(zbbus_mhz); static unsigned int part_type; static char *soc_str; static char *pass_str; -static inline int setup_bcm1x80_bcm1x55(void); +static int __init setup_bcm1x80_bcm1x55(void) +{ + int ret = 0; + + switch (soc_pass) { + case K_SYS_REVISION_BCM1480_S0: + periph_rev = 1; + pass_str = "S0 (pass1)"; + break; + case K_SYS_REVISION_BCM1480_A1: + periph_rev = 1; + pass_str = "A1 (pass1)"; + break; + case K_SYS_REVISION_BCM1480_A2: + periph_rev = 1; + pass_str = "A2 (pass1)"; + break; + case K_SYS_REVISION_BCM1480_A3: + periph_rev = 1; + pass_str = "A3 (pass1)"; + break; + case K_SYS_REVISION_BCM1480_B0: + periph_rev = 1; + pass_str = "B0 (pass2)"; + break; + default: + printk("Unknown %s rev %x\n", soc_str, soc_pass); + periph_rev = 1; + pass_str = "Unknown Revision"; + break; + } + + return ret; +} /* Setup code likely to be common to all SiByte platforms */ -static inline int sys_rev_decode(void) +static int __init sys_rev_decode(void) { int ret = 0; switch (soc_type) { - case K_SYS_SOC_TYPE_BCM1x80: + case K_SYS_SOC_TYPE_BCM1x80: if (part_type == K_SYS_PART_BCM1480) soc_str = "BCM1480"; else if (part_type == K_SYS_PART_BCM1280) @@ -59,7 +96,7 @@ static inline int sys_rev_decode(void) ret = setup_bcm1x80_bcm1x55(); break; - case K_SYS_SOC_TYPE_BCM1x55: + case K_SYS_SOC_TYPE_BCM1x55: if (part_type == K_SYS_PART_BCM1455) soc_str = "BCM1455"; else if (part_type == K_SYS_PART_BCM1255) @@ -69,68 +106,35 @@ static inline int sys_rev_decode(void) ret = setup_bcm1x80_bcm1x55(); break; - default: - prom_printf("Unknown part type %x\n", part_type); + default: + printk("Unknown part type %x\n", part_type); ret = 1; break; } - return ret; -} -static inline int setup_bcm1x80_bcm1x55(void) -{ - int ret = 0; - - switch (soc_pass) { - case K_SYS_REVISION_BCM1480_S0: - periph_rev = 1; - pass_str = "S0 (pass1)"; - break; - case K_SYS_REVISION_BCM1480_A1: - periph_rev = 1; - pass_str = "A1 (pass1)"; - break; - case K_SYS_REVISION_BCM1480_A2: - periph_rev = 1; - pass_str = "A2 (pass1)"; - break; - case K_SYS_REVISION_BCM1480_A3: - periph_rev = 1; - pass_str = "A3 (pass1)"; - break; - case K_SYS_REVISION_BCM1480_B0: - periph_rev = 1; - pass_str = "B0 (pass2)"; - break; - default: - prom_printf("Unknown %s rev %x\n", soc_str, soc_pass); - periph_rev = 1; - pass_str = "Unknown Revision"; - break; - } return ret; } -void bcm1480_setup(void) +void __init bcm1480_setup(void) { uint64_t sys_rev; int plldiv; - sb1_pass = read_c0_prid() & 0xff; + sb1_pass = read_c0_prid() & PRID_REV_MASK; sys_rev = __raw_readq(IOADDR(A_SCD_SYSTEM_REVISION)); soc_type = SYS_SOC_TYPE(sys_rev); part_type = G_SYS_PART(sys_rev); soc_pass = G_SYS_REVISION(sys_rev); if (sys_rev_decode()) { - prom_printf("Restart after failure to identify SiByte chip\n"); + printk("Restart after failure to identify SiByte chip\n"); machine_restart(NULL); } plldiv = G_BCM1480_SYS_PLL_DIV(__raw_readq(IOADDR(A_SCD_SYSTEM_CFG))); zbbus_mhz = ((plldiv >> 1) * 50) + ((plldiv & 1) * 25); - prom_printf("Broadcom SiByte %s %s @ %d MHz (SB-1A rev %d)\n", + printk("Broadcom SiByte %s %s @ %d MHz (SB-1A rev %d)\n", soc_str, pass_str, zbbus_mhz * 2, sb1_pass); - prom_printf("Board type: %s\n", get_system_type()); + printk("Board type: %s\n", get_system_type()); } |